1.

If A and B are non- singular square matrix of same order 3xx3, then which of the following options is correct?

Answer»

`|ADJ(AB)|=|A||B|`
`|(adjAB)^(-1)|=|adj(AB)|`
`|adj(AB)^(-1)|=|adj(AB)^(-1)|`
`|adj(AB)^(T)|=|AB|^(-2)`

ANSWER :C


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